CN116378238A - Three-dimensional vibration isolation support with built-in pre-compression spring and thick rubber layer - Google Patents
Three-dimensional vibration isolation support with built-in pre-compression spring and thick rubber layer Download PDFInfo
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- CN116378238A CN116378238A CN202310257608.1A CN202310257608A CN116378238A CN 116378238 A CN116378238 A CN 116378238A CN 202310257608 A CN202310257608 A CN 202310257608A CN 116378238 A CN116378238 A CN 116378238A
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- 238000002955 isolation Methods 0.000 title claims abstract description 37
- 230000006835 compression Effects 0.000 title claims abstract description 23
- 238000007906 compression Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 230000000295 complement effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 2
- 235000013372 meat Nutrition 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the field of earthquake, vibration and noise control, and discloses a three-dimensional vibration isolation support with a built-in pre-compression spring and thick rubber layer, which comprises an upper connecting plate and a lower connecting plate, wherein the upper connecting plate is connected with the lower connecting plate through the pre-compression spring; an upper sealing plate is arranged at the bottom of the upper connecting plate; a lower sealing plate is arranged at the top of the lower connecting plate; and a deformation device is arranged between the upper sealing plate and the lower sealing plate. According to the invention, the vertical rigidity of the support is reduced by increasing the thickness of the rubber layer, so that the purpose of vertical vibration reduction (vibration) is achieved, meanwhile, the precompaction spring is arranged to complement the descending bearing capacity of the thick-meat support due to the increase of the rubber thickness, namely, the precompaction spring and the thick-meat rubber support bear cooperatively, and the tension generated by the precompaction spring is balanced by the steel wire rope, so that the vertical vibration-damping support is suitable for vibration isolation of a building structure under the earthquake action and vibration isolation and vibration reduction of the periphery of a subway and a right upper cover structure, and has the horizontal and vertical vibration isolation (vibration) functions, and the tension condition meets the related standard requirements.
Description
Technical Field
The invention relates to the field of earthquake, vibration and noise control, in particular to a three-dimensional vibration isolation support with a built-in pre-compression spring and thick rubber layer.
Background
In recent years, urban rail transit in China rapidly develops, particularly subway development is realized, the overground traffic pressure is greatly relieved, and the urban rail transit system becomes a first-choice traffic tool for daily travel and commuting of two-line urban population. The group of upper cover buildings developed for utilizing good land resources is more and more huge, and the problems of vibration and noise of the upper cover of the subway and nearby buildings are increasingly plagued by people living and working in the buildings. The subway vibration is mainly transmitted vertically in the building, and the rubber vibration isolation support is arranged in the upper cover building and the nearby building, so that the subway vibration is an effective vibration isolation measure. In the existing various rubber shock insulation supports, the thin rubber supports and the thin steel plates are stacked, so that the supports have lower horizontal rigidity and enough vertical bearing capacity, the effect of isolating horizontal shock under the action of an earthquake can be achieved, the horizontal mechanical property is superior, and the upper structure is protected from being damaged. The thickened rubber layer can fully exert the capability of isolating and absorbing vibration of the rubber material, but simultaneously brings the problem of bearing capacity reduction, so that the application range of the traditional thick-layer rubber support is limited.
In order to solve the problem of insufficient vertical bearing capacity of the traditional thick-layer rubber support, an idea of assisting the thick-layer rubber support to resist vertical load by adopting a built-in pre-compression spring is provided so as to solve the problem.
Disclosure of Invention
Aiming at the problems, the invention provides a novel three-dimensional vibration isolation support with a built-in pre-compression spring and thick-layer rubber, which is designed by improving the structural design, increasing the thickness of a rubber layer and reducing the vertical rigidity of the support so as to achieve the purpose of vertical vibration reduction (vibration), and meanwhile, the pre-compression spring is arranged to complement the descending bearing capacity of the thick-layer support due to the increase of the thickness of the rubber so as to simultaneously meet the requirements of various specifications.
The invention provides the following technical scheme:
a three-dimensional vibration isolation support with a built-in pre-compression spring and thick rubber layer comprises an upper connecting plate and a lower connecting plate, wherein the upper connecting plate and the lower connecting plate are connected through the pre-compression spring;
an upper sealing plate is arranged at the bottom of the upper connecting plate;
a lower sealing plate is arranged at the top of the lower connecting plate;
and a deformation device is arranged between the upper sealing plate and the lower sealing plate.
Preferably, the deformation means comprises a thick-meat rubber layer and a thin steel plate.
More preferably, the thick-meat rubber layer and the thin steel plate are mutually overlapped and are arranged between the upper sealing plate and the lower sealing plate at equal intervals, the uppermost thick-meat rubber layer is connected with the upper sealing plate, and the lowermost thick-meat rubber layer is connected with the lower sealing plate.
Preferably, a steel wire rope is arranged in the pre-pressing spring.
More preferably, one end of the steel wire rope is connected with the upper connecting plate, and the other end is connected with the lower connecting plate.
Compared with the prior art, the three-dimensional vibration isolation support with the built-in pre-compression spring and thick rubber has the following advantages:
1. according to the three-dimensional vibration isolation support, the thickness of the rubber layer is improved in multiple aspects, so that the vertical rigidity of the support is reduced, the purpose of vertical vibration reduction (vibration) is achieved, meanwhile, the precompaction spring is arranged to complement the descending bearing capacity of the thick-meat support due to the increase of the thickness of the rubber, namely, the precompaction spring and the thick-meat rubber support bear cooperatively, tension generated by the precompaction spring is balanced by the steel wire rope, and the three-dimensional vibration isolation support is suitable for vibration isolation of a building structure under the action of an earthquake, vibration isolation and vibration reduction of the periphery of a subway and a cover structure, and therefore the three-dimensional vibration isolation support has the functions of horizontal vibration isolation and vertical vibration isolation, and the tension condition meets various related standard requirements.
2. The support combines the horizontal vibration isolation component and the vertical vibration isolation component in a parallel mode, so that the support has horizontal and vertical vibration isolation (vibration) performance, the height of the support is effectively controlled, and the bearing stability of the support is ensured.
3. The spring and the steel zipper are arranged in the rubber, are not easy to rust, can effectively slow down aging, and ensure that all performances of the steel zipper are not degraded in the service life.
4. The support is suitable for buildings affected by vibration caused by earthquake and rail traffic, has simple structure, definite vibration isolation (mechanism) and wide application range.
5. According to the invention, the vertical rigidity is reduced by thickening the thickness of the rubber layer in the laminated rubber support, and the performance of the rubber material for isolating the micro-vibration of the broadband vertical frequency is fully exerted.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic view of an overall front cross-sectional structure of a three-dimensional vibration isolation mount according to an embodiment of the present invention;
fig. 2 is a schematic view of a three-dimensional outline axis-side structure of a three-dimensional vibration isolation mount according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an assembly structure of a three-dimensional vibration isolation mount according to an embodiment of the present invention.
Wherein, 1-upper connecting plate, 2-upper sealing plate, 3-thick meat rubber layer, 4-thin steel plate, 5-pre-compression spring, 6-wire rope, 7-lower sealing plate and 8-lower connecting plate.
Detailed Description
A three-dimensional vibration isolation mount incorporating a pre-compression spring-thick layer of rubber is described in further detail below in connection with specific examples, which are for comparison and explanation purposes only, and the present invention is not limited to these examples.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, for example, as being fixedly coupled, detachably or integrally coupled, mechanically or electrically coupled, directly coupled, or indirectly coupled via an intermediary. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.
Examples
Referring to fig. 1-3, the embodiment of the invention provides a three-dimensional vibration isolation support with a built-in pre-compression spring and thick rubber layer, which comprises an upper connecting plate 1 and a lower connecting plate 8, wherein the upper connecting plate 1 and the lower connecting plate 8 are connected through the pre-compression spring 5;
an upper sealing plate 2 is arranged at the bottom of the upper connecting plate 1;
a lower sealing plate 7 is arranged at the top of the lower connecting plate 8;
a deformation device is arranged between the upper sealing plate 2 and the lower sealing plate 7.
Preferably, the deformation means comprises a thick-meat rubber layer 3 and a thin steel plate 4.
More preferably, the thick-meat rubber layer 3 and the thin steel plate 4 are mutually overlapped and are arranged between the upper sealing plate 2 and the lower sealing plate 7 at equal intervals, the uppermost thick-meat rubber layer 3 is connected with the upper sealing plate 2, and the lowermost thick-meat rubber layer 3 is connected with the lower sealing plate 7.
Preferably, a steel wire rope 6 is arranged inside the pre-pressing spring 5.
More preferably, one end of the steel wire rope 6 is connected with the upper connecting plate 1, and the other end is connected with the lower connecting plate 8.
Wherein, thick meat rubber bed course 3 is purported to reduce the vertical rigidity of support, make the support play the effect of keeping apart vertical vibration, because rubber bed course thickness increases makes the support bearing capacity decline, so trompil in the middle of the rubber support, the inside sets up precompaction spring 5, be equivalent to lead core rubber support and change more spring and wire rope the lead core of the inside, through precompaction spring in advance, make it obtain certain bearing capacity, when using this support in the building structure, precompaction spring and stromatolite rubber bear in coordination, in order to solve the problem that thick meat rubber support bearing capacity declines. Meanwhile, the problem of tension of the thick-meat rubber support is considered, the steel wire rope 6 is arranged in the middle of the pre-pressing spring, and when the support is tensioned, the steel wire rope bears main tension and is pulled in cooperation with the laminated rubber support, so that the rubber is prevented from being damaged.
In the implementation of the invention, the thick-layer rubber support and the spring-steel wire rope device are designed cooperatively according to the actual loading condition, the diameter of the opening in the middle of the support, the size of the spring and the like are designed according to the actual condition, the thick-layer rubber support is provided with the basic characteristic of a thicker rubber layer, the thick-layer rubber support can be replaced by a lead rubber support, a high-damping rubber support and the like, and four or more holes can be formed in the middle of the rubber support to release the spring and the steel wire rope, and the thick-layer rubber support belongs to the protection scope of the patent. The specifications of the spring and the wire rope should be matched, and the wire rope should be capable of completely resisting the tension of the pre-pressing spring under the condition of no load so as to ensure that the support is not damaged by tensioning.
The three-dimensional vibration isolation support with the built-in pre-compression spring and thick rubber provided by the embodiment of the invention is suitable for vibration isolation of building structures under the action of earthquake and vibration isolation and vibration reduction of subway periphery and right upper cover structures. The basic principle is that the vertical rigidity of the support is reduced by increasing the thickness of the rubber layer, so that the purpose of vertical shock absorption (vibration) is achieved, meanwhile, the precompaction spring is arranged to complement the descending bearing capacity of the thick-meat support due to the increase of the rubber thickness, namely, the precompaction spring and the thick-meat rubber support bear cooperatively, the tension problem of the rubber support is considered, a steel wire rope and the thick-meat rubber support are arranged in the spring to cooperatively resist the tension, and the tension generated by the precompaction spring is balanced by the steel wire rope before the support bears the load; in addition, in the normal work of the support, the steel wire rope can play a certain limiting role and cooperate with the support to resist tensile stress, so that the support is prevented from being pulled to be damaged, and the three-position thick-meat rubber support simultaneously has horizontal and vertical vibration isolation functions and meets related standard requirements in the tensile condition.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The three-dimensional vibration isolation support with the built-in pre-compression spring and thick-layer rubber is characterized by comprising an upper connecting plate (1) and a lower connecting plate (8), wherein the upper connecting plate (1) and the lower connecting plate (8) are connected through the pre-compression spring (5);
an upper sealing plate (2) is arranged at the bottom of the upper connecting plate (1);
a lower sealing plate (7) is arranged at the top of the lower connecting plate (8);
a deformation device is arranged between the upper sealing plate (2) and the lower sealing plate (7).
2. The three-dimensional vibration isolation mount with built-in pre-compression spring-thick layer rubber according to claim 1, wherein the deformation means comprises a thick-meat rubber layer (3) and a thin steel plate (4).
3. The three-dimensional vibration isolation support with the built-in pre-compression spring-thick layer rubber according to claim 2, wherein the thick-meat rubber layer (3) and the thin steel plate (4) are mutually overlapped and are arranged between the upper sealing plate (2) and the lower sealing plate (7) at equal intervals, the uppermost thick-meat rubber layer (3) is connected with the upper sealing plate (2), and the lowermost thick-meat rubber layer (3) is connected with the lower sealing plate (7).
4. The three-dimensional vibration isolation mount with built-in pre-compression spring-thick layer rubber according to claim 1, wherein the pre-compression spring (5) is internally provided with a steel wire rope (6).
5. The three-dimensional vibration isolation mount with built-in pre-compression springs-thick layer rubber according to claim 4, wherein one end of the steel wire rope (6) is connected with the upper connecting plate (1) and one end is connected with the lower connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310257608.1A CN116378238A (en) | 2023-03-16 | 2023-03-16 | Three-dimensional vibration isolation support with built-in pre-compression spring and thick rubber layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310257608.1A CN116378238A (en) | 2023-03-16 | 2023-03-16 | Three-dimensional vibration isolation support with built-in pre-compression spring and thick rubber layer |
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| Publication Number | Publication Date |
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| CN116378238A true CN116378238A (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310257608.1A Pending CN116378238A (en) | 2023-03-16 | 2023-03-16 | Three-dimensional vibration isolation support with built-in pre-compression spring and thick rubber layer |
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| CN (1) | CN116378238A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127733A (en) * | 2023-08-30 | 2023-11-28 | 广州大学 | Cylindrical spiral spring-lead core damping three-dimensional vibration double-control support |
-
2023
- 2023-03-16 CN CN202310257608.1A patent/CN116378238A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127733A (en) * | 2023-08-30 | 2023-11-28 | 广州大学 | Cylindrical spiral spring-lead core damping three-dimensional vibration double-control support |
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